F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/29
F16L 27/12 (2006.01) E21B 17/07 (2006.01)
Patent
CA 1159865
IMPROVED WELL-TUBING EXPANSION JOINT Abstract of the Disclosure An expansion joint for use with a retrievable packer includes a stop to limit the extent to which the joint may be extended and for providing vertical support for packer retrieval and further includes and interfitting key and slot acting between a housing and a mandrel telescoped into the housing in order to transmit torque through the joint.
378425
Dresser Industries Inc.
Macrae & Co.
LandOfFree
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